diff --git a/config_webrx.py b/config_webrx.py
index 9d05494..c3f0e40 100644
--- a/config_webrx.py
+++ b/config_webrx.py
@@ -59,6 +59,19 @@ Antenna: Receiver Antenna
Website: http://localhost
"""
+# ==== Public receiver listings ====
+# You can publish your receiver on online receiver directories, like https://www.receiverbook.de
+# You will receive a receiver key from the directory that will authenticate you as the operator of this receiver.
+# Please note that you not share your receiver keys publicly since anyone that obtains your receiver key can take over
+# your public listing.
+# Your receiver keys should be placed into this array:
+receiver_keys = []
+# You can list your receiver on multiple sites, you can place all your keys into the array above, or you can append
+# more keys like this:
+# receiver_keys += "my-receiver-key"
+
+# If you're not sure, simply copy & paste the code you received from your listing site below this line:
+
# ==== DSP/RX settings ====
fft_fps = 9
fft_size = 4096 # Should be power of 2